.screen_cover {
	position: fixed;
	z-index: 1000;
	top: 0px;
	left: 0px;
	bottom: 0px;
	right: 0px;
	display: none;
	overflow: auto;
}

.screen_cover.screen_cover_black {
	background-color: rgba(0, 0, 0, 0.2);
}

.screen_cover.show {
	display: block;
}

.image_container {
	position: relative;
	overflow: hidden;
	display: flex;
}

.image_container .image_cover {
	background: radial-gradient(circle, rgba(255, 255, 255, 0),
		rgba(0, 0, 0, 0.27058823529411763), rgba(0, 0, 0, 0.3803921568627451));
	position: absolute;
	top: 0px;
	left: 0px;
	right: 0px;
	bottom: 0px;
	z-index: 1;
}

.button {
	cursor: pointer;
	padding: 1px 6px;
}

.button:active {
	opacity: 0.6;
}

.button:hover {
	
}

.box_line {
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
}

.box_flex{
 display: -webkit-box;
 display: -ms-flexbox;
 display: flex;
 -webkit-box-align: center;
     -ms-flex-align: center;
         align-items: center;
}
.box_flex_item{
	width:100%;
	align-self: stretch;
}
.box_border{
	border: solid thin darkgray;
	border-radius: 4px;
	padding: 5px; 
}

body {
	padding: 0px;
	margin: 0px;
	font-family: Helvetica Neue, Helvetica, Arial, sans-serif;
	color: #666;
}

body a {
	text-decoration: none;
	color: inherit;
}

body a:hover {
	text-decoration: none;
	color: inherit;
}

body a:active {
	text-decoration: none;
	color: inherit;
}

body a:visited {
	text-decoration: none;
	color: inherit;
}

body .title {
	text-align: center;
	font-weight: bold;
}


body .row {
	max-width: 100%;
	margin-left: 0px;
	margin-right: 0px;
	padding: 15px 0px;
}

body .box_grid {
	display: grid;
	grid-gap: 10px;
	grid-auto-flow: column;
}

.tree_item{
	position: relative;
	z-index:1;
}
.tree_item::BEFORE{
   content: "";
   bottom: 50%;
   position: absolute;
   left: -15;
   border-bottom: dashed thin darkgray;
   width: 15px;
}

.tree_item:nth-last-child(2)::AFTER {
   content: "";
   top: 50%;
   position: absolute;
   left: -15;
   border-left: solid white;
   height: 100%;
}
.tree_expand:last-child::AFTER {
    content: "";
    bottom: 0;
    position: absolute;
    left: -15px;
    border-left: solid white;
    height: 100%;
}

.tree_expand{
	position: relative;
	padding-left: 15px;
}
.tree_expand::BEFORE{
   content: "";
   position: absolute;
   height:100%;
   top:-25;
   left: 0;
   border-left: dashed thin darkgray;
   z-index: 0;
}


/* Responsive*/
@media only screen and (min-width: 428px) {
	.hidden_xs_up {
		display: none !important;
	}
}

@media only screen and (max-width: 428px) {
	.hidden_xs_down {
		display: none !important;
	}
	
/* Small devices (portrait tablets and large phones, 768px and down) */
@media only screen and (min-width: 768px) {
	.hidden_sm_up {
		display: none !important;
	}
	
}

@media only screen and (max-width: 768px) {
	.hidden_sm_down {
		display: none !important;
	}
}
/* Large devices (laptops/desktops, 992px and up) */
@media only screen and (min-width: 992px) {
	.hidden_md_up {
		display: none !important;
	}
}

@media only screen and (max-width: 992px) {
	.hidden_md_down {
		display: none !important;
	}
}
/* Extra large devices (large laptops and desktops, 1200px and up) */
@media only screen and (min-width: 1200px) {
	.hidden_lg_up {
		display: none !important;
	}
	.container {
		max-width: 1200px;
	}
}

@media only screen and (max-width: 1200px) {
	.hidden_lg_down {
		display: none !important;
	}
}

